CN109807395A - A kind of bi-metal bandsaw blades becoming tooth variation tooth amount tooth form with 3/4T seven - Google Patents
A kind of bi-metal bandsaw blades becoming tooth variation tooth amount tooth form with 3/4T seven Download PDFInfo
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- CN109807395A CN109807395A CN201910246188.0A CN201910246188A CN109807395A CN 109807395 A CN109807395 A CN 109807395A CN 201910246188 A CN201910246188 A CN 201910246188A CN 109807395 A CN109807395 A CN 109807395A
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Abstract
The present invention relates to cutting tool technical fields, provide a kind of bi-metal bandsaw blades for becoming tooth variation tooth amount tooth form with 3/4T seven, and seven continuously arranged sawtooth are one group of sawtooth, and one group of sawtooth repeats and continuous arrangement constitutes saw blade teeth portion；First tooth is intermediate guiding tooth, all points of teeth divide tooth height identical, a left side for second tooth and the 6th tooth divides tooth amount, third tooth to divide tooth amount identical with the right side of the 7th tooth, and a left side for the 4th tooth divides tooth amount and the right side of the 5th tooth to divide tooth amount identical, and a left side for the second tooth divides tooth amount and a left side for the 4th tooth to divide tooth amount different；The serrate rake angle of institute is identical, and there are two the angle of back of tooths for each sawtooth；The tooth socket of each sawtooth is arc, and the tooth pitch of different, each sawtooth of tooth slot radius of different, each sawtooth of the tooth depth of each sawtooth is different in one group of sawtooth.The present invention can improve that stock-removing efficiency, chip removal is unobstructed, avoids beating tooth, improves section quality and increase service life in the higher mould steel of sawing hardness and the biggish stainless steel of viscosity.
Description
Technical field
The present invention relates to cutting tool technical fields, become tooth variation tooth amount tooth form with 3/4T seven more particularly to a kind of
Bi-metal bandsaw blades.
Background technique
Bi-metal bandsaw blades is mainly formed by two kinds of Metal Material Weldings, and tip materials are high-speed steel, and back of tooth material is bullet
Spring steel is mainly used in pure iron, gray iron, magnesium iron, stainless steel, mould steel, carbon steel, titanium alloy, copper alloy, nickel-base high-temperature at present and closes
The cutting of the materials such as gold, aluminium alloy, the material structure of sawing have bar, tubing, i shaped steel, channel steel and various common shapes
Shape.Enterprise reduces cost, and the workpiece of sawing different materials, specification and shape, needs to improve sawing quality and cutting-rate
Use the bi-metal bandsaw blades of unlike material and tooth profile parameter.
The service performance of bi-metal bandsaw blades is in addition to by bands for band tooth tip and back of tooth raw material, welding procedure and heat treatment
Outside the influence of technique, largely additionally depend in tooth profile parameter.For example, the bands for band of same material and heat treatment process
Its tooth profile parameter is different, and the sawing quality and service life when sawing same size material but differ widely.Bi-metal bandsaw blades
Tooth profile parameter mainly include rake angle, the angle of back of tooth, tooth pitch, tooth depth, tooth slot radius, point tooth height, divide tooth amount etc., these tooth forms
Parameter will affect cutting force in bands for band cutting process, centripetal force, cutting heat, divide tooth rebound, sawdust pattern and section thick
Rugosity etc.., the chip removal low in the prevalence of stock-removing efficiency in materials such as saw-cut die steel, stainless steels of existing bi-metal bandsaw blades
It is difficult, beat tooth, the problems such as section is of poor quality and service life is short, cause enterprise's processing cost and material cost remain high,
Affect Business Economic Benefit.
Summary of the invention
In view of the problems of the existing technology, the present invention provides a kind of double gold for becoming tooth variation tooth amount tooth form with 3/4T seven
Belong to bands for band, can be improved in the higher mould steel of sawing hardness and the biggish stainless steel of viscosity stock-removing efficiency, chip removal it is unobstructed,
It avoids beating tooth, improve section quality and increase service life.
The technical solution of the present invention is as follows:
A kind of bi-metal bandsaw blades becoming tooth variation tooth amount tooth form with 3/4T seven, including saw blade teeth portion and saw blade ontology,
It is characterized by: seven continuously arranged sawtooth are one group of sawtooth, one group of sawtooth is repeated and continuous arrangement constitutes saw blade tooth
Portion；
One group of sawtooth successively includes the first tooth, the second tooth, third tooth, the 4th tooth, the 5th tooth, the 6th tooth, the 7th tooth；
First tooth is intermediate guiding tooth, and second tooth, third tooth are the first pair of point of tooth, and the 4th tooth, the 5th tooth are second
To tooth is divided, the 6th tooth, the 7th tooth are third to tooth is divided, and second tooth, the 4th tooth, the 6th tooth are that tooth is divided on a left side, described
Third tooth, the 5th tooth, the 7th tooth are that tooth is divided on the right side；All points of teeth divide tooth height B identical, and tooth amount is divided on a left side for second tooth
F2, third tooth the right side divide tooth amount F3, the 6th tooth a left side divide tooth amount F6Divide tooth amount F with the right side of the 7th tooth7It is identical, the 4th tooth
Tooth amount F is divided on a left side4Divide tooth amount F with the right side of the 5th tooth5Identical, tooth amount F is divided on a left side for second tooth2Divide tooth amount F with a left side for the 4th tooth4
It is different；
The serrate rake angle α of institute is identical, and each sawtooth is there are two the angle of back of tooth, two profile angles, after described two teeth
Angle includes the first angle of back of tooth β1With the second angle of back of tooth β2, described two profile angles include the first profile angle γ1With the second profile angle
γ2, serrate first angle of back of tooth β of institute1It is identical, serrate second angle of back of tooth β of institute2It is identical, serrate first profile angle of institute
γ1It is identical, the serrate second profile angle γ of institute2It is identical；Wherein, γ1=90 °-alpha-beta1, γ2=90 °-alpha-beta2；
The tooth depth of each sawtooth is different in one group of sawtooth, and the tooth depth of i-th of sawtooth of note is Hi, i ∈ 1,2 ...,
7 }, after maximum tooth depth is located at the first tooth, minimum tooth depth is located at after the 5th tooth namely max { H1,H2,...,Hi,...,H7}=H1,
min{H1,H2,...,Hi,...,H7}=H5；
The tooth socket of each sawtooth is arc, and the tooth slot radius of each sawtooth is different in one group of sawtooth, remembers i-th of saw
The tooth slot radius of tooth is Ri, the tooth slot radius RiWith tooth depth HiDirectly proportional, maximum tooth slot radius is max { R1,R2,...,
Ri,...,R7}=R1, least cogging radius is min { R1,R2,...,Ri,...,R7}=R5；
The tooth socket of each sawtooth corresponds to a tooth pitch, and the tooth pitch of each sawtooth is different in one group of sawtooth, remembers i-th of saw
The tooth pitch of tooth is Li, the tooth pitch LiWith tooth slot radius RiDirectly proportional, maximum tooth is away from for max { L1,L2,...,Li,...,L7}=
L1, minimum tooth is away from for min { L1,L2,...,Li,...,L7}=L5。
Described point of tooth height B is 1.8~2.1mm, and tooth amount F is divided on a left side for second tooth2For 0.38~0.41mm, described
Tooth amount F is divided on a left side for four teeth4For 0.23~0.26mm；The rake angle α is 9 °~10 ° 30', first angle of back of tooth β1For 25 °~
26 ° of 30', second angle of back of tooth β2For 35 °~36 ° 30'；The maximum tooth depth is 5.2mm, and the minimum tooth depth is 4.1mm；
The maximum tooth slot radius is 3.8mm, and the least cogging radius is 2.2mm；The maximum tooth is described away from for 8.2~8.5mm
Minimum tooth is away from for 6.2~6.5mm.
The invention has the benefit that
(1) present invention improves cutting feed amount by increasing big anterior angle tooth form, substantially increases the cutting effect of bands for band
Rate.
(2) present invention is designed by double relief angles to guarantee sufficiently large profile angle, and the tension for improving tooth tip and tooth root is strong
Degree, to increase service life.
(3) present invention uses different tooth pitches and tooth depth, especially with variation tooth amount and carries out assembled arrangement, in each group
It, can either be in saw-cut die steel and stainless steel etc. there are four being divided to tooth amount, two small point of tooth amounts i.e. " big and small significantly " combination greatly
Chip removal is unobstructed when hardness and viscosity biggish material, vibration is small and reduces and divides tooth rebound, binding does not occur, while again can be not
In the case where reducing stock-removing efficiency, section quality is improved.
(4) present invention can make to saw in the hardness such as cutting die steel and stainless steel and the biggish plate of viscosity and bar
It cuts efficiency and improves 10%-30%, service life raising 40%-50%.
Detailed description of the invention
Fig. 1 is the main view for the bi-metal bandsaw blades that the present invention has the change tooth variation tooth amount tooth form of 3/4T seven.
Fig. 2 is the left view for the bi-metal bandsaw blades that the present invention has the change tooth variation tooth amount tooth form of 3/4T seven；
Fig. 3 is that the part of the saw blade teeth portion for the bi-metal bandsaw blades that the present invention has the change tooth variation tooth amount tooth form of 3/4T seven is put
Big figure.
In figure, the first tooth of 1-, the second tooth of 2-, 3- third tooth, the 4th tooth of 4-, the 5th tooth of 5-, the 6th tooth of 6-, 7-
7th tooth.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 shows, the bimetal bandsaw respectively of the invention that there is 3/4T seven to become tooth variation tooth amount tooth form
Main view, left view and the partial enlarged view of item.The bimetal bandsaw for becoming tooth variation tooth amount tooth form with 3/4T seven of the invention
Item, including saw blade teeth portion and saw blade ontology, it is characterised in that: seven continuously arranged sawtooth are one group of sawtooth, one group of saw
Tooth repeats and continuous arrangement constitutes saw blade teeth portion；
One group of sawtooth successively includes the first tooth, the second tooth, third tooth, the 4th tooth, the 5th tooth, the 6th tooth, the 7th tooth；
First tooth is intermediate guiding tooth, and second tooth, third tooth are the first pair of point of tooth, and the 4th tooth, the 5th tooth are second
To tooth is divided, the 6th tooth, the 7th tooth are third to tooth is divided, and second tooth, the 4th tooth, the 6th tooth are that tooth is divided on a left side, described
Third tooth, the 5th tooth, the 7th tooth are that tooth is divided on the right side；All points of teeth divide tooth height B identical, and tooth amount is divided on a left side for second tooth
F2, third tooth the right side divide tooth amount F3, the 6th tooth a left side divide tooth amount F6Divide tooth amount F with the right side of the 7th tooth7It is identical, the 4th tooth
Tooth amount F is divided on a left side4Divide tooth amount F with the right side of the 5th tooth5Identical, tooth amount F is divided on a left side for second tooth2Divide tooth amount F with a left side for the 4th tooth4
It is different；
The serrate rake angle α of institute is identical, and each sawtooth is there are two the angle of back of tooth, two profile angles, after described two teeth
Angle includes the first angle of back of tooth β1With the second angle of back of tooth β2, described two profile angles include the first profile angle γ1With the second profile angle
γ2, serrate first angle of back of tooth β of institute1It is identical, serrate second angle of back of tooth β of institute2It is identical, serrate first profile angle of institute
γ1It is identical, the serrate second profile angle γ of institute2It is identical；Wherein, γ1=90 °-alpha-beta1, γ2=90 °-alpha-beta2；
The tooth depth of each sawtooth is different in one group of sawtooth, and the tooth depth of i-th of sawtooth of note is Hi, i ∈ 1,2 ...,
7 }, after maximum tooth depth is located at the first tooth, minimum tooth depth is located at after the 5th tooth namely max { H1,H2,...,Hi,...,H7}=H1,
min{H1,H2,...,Hi,...,H7}=H5；
The tooth socket of each sawtooth is arc, and the tooth slot radius of each sawtooth is different in one group of sawtooth, remembers i-th of saw
The tooth slot radius of tooth is Ri, the tooth slot radius RiWith tooth depth HiDirectly proportional, maximum tooth slot radius is max { R1,R2,...,
Ri,...,R7}=R1, least cogging radius is min { R1,R2,...,Ri,...,R7}=R5；
The tooth socket of each sawtooth corresponds to a tooth pitch, and the tooth pitch of each sawtooth is different in one group of sawtooth, remembers i-th of saw
The tooth pitch of tooth is Li, the tooth pitch LiWith tooth slot radius RiDirectly proportional, maximum tooth is away from for max { L1,L2,...,Li,...,L7}=
L1, minimum tooth is away from for min { L1,L2,...,Li,...,L7}=L5。
Described point of tooth height B is 1.8~2.1mm, and tooth amount F is divided on a left side for second tooth2For 0.38~0.41mm, described
Tooth amount F is divided on a left side for four teeth4For 0.23~0.26mm；The rake angle α is 9 °~10 ° 30', first angle of back of tooth β1For 25 °~
26 ° of 30', second angle of back of tooth β2For 35 °~36 ° 30'；The maximum tooth depth is 5.2mm, and the minimum tooth depth is 4.1mm；
The maximum tooth slot radius is 3.8mm, and the least cogging radius is 2.2mm；The maximum tooth is described away from for 8.2~8.5mm
Minimum tooth is away from for 6.2~6.5mm.
In the present embodiment one, dividing tooth height B is 1.8mm, and tooth amount F is divided on a left side for the second tooth2, third tooth the right side divide tooth amount F3,
Tooth amount F is divided on a left side for six teeth6, the 7th tooth the right side divide tooth amount F7It is 0.38mm, tooth amount F is divided on a left side for the 4th tooth4, the 5th tooth the right side point
Tooth amount F5It is 0.23mm.Rake angle α is 9 °, the first angle of back of tooth β1For 26 ° of 30', the second angle of back of tooth β2For 36 ° of 30', thus
One profile angle γ1=90 °-alpha-beta1=54 ° of 30', the second profile angle γ2=90 °-alpha-beta2=44 ° of 30'.Maximum tooth depth is 5.2mm,
Minimum tooth depth is 4.1mm；Maximum tooth slot radius is 3.8mm, and least cogging radius is 2.2mm；Maximum tooth is minimum away from for 8.2mm
Tooth pitch is 6.2mm.
Bi-metal bandsaw blades in sawing process be mainly tip portions stress, by from workpiece cutting resistance, into
It is acted on to resistance and perpendicular to the pressure of bands for band thickness direction, so that by high-drag and high friction in bands for band sawing process
Heat effect, if chip removal is not smooth, it is easy to cause bands for band quickly beat tooth or crack scrap.And invention increases big
Anterior angle tooth form improves cutting feed amount, substantially increases the stock-removing efficiency of bands for band；And it ensure that foot by double relief angle designs
Enough big profile angles, improve the tensile strength of tooth tip and tooth root, to increase service life；The present invention also uses different teeth
Away from and tooth depth, especially with variation tooth amount and carry out assembled arrangement, there are four be divided to tooth amount, two small point of tooth amounts greatly in each group
I.e. " big and small significantly " combination, in the hardness such as saw-cut die steel and stainless steel and viscosity biggish material, chip removal is unobstructed, shake
It moves small and reduction to divide tooth rebound, binding does not occur, while section matter can be improved in the case where not reducing stock-removing efficiency again
Amount.The hot die steel pole of bi-metal bandsaw blades sawing Φ 160mm in the present embodiment one needs 20 minutes, can continuous saw cutting
6 days；The plate of 300 × 400mm of sawing needs 1.5 hours, can be continuous saw cutting 3 days.
Embodiment two
In the present embodiment two, dividing tooth height B is 1.9mm, and tooth amount F is divided on a left side for the second tooth2, third tooth the right side divide tooth amount F3,
Tooth amount F is divided on a left side for six teeth6, the 7th tooth the right side divide tooth amount F7It is 0.39mm, tooth amount F is divided on a left side for the 4th tooth4, the 5th tooth the right side point
Tooth amount F5It is 0.24mm；Rake angle α is 9 ° of 30', the first angle of back of tooth β1It is 26 °, the second angle of back of tooth β2It is 36 °, thus the first tooth
Shape angle γ1=54 ° of 30', the second profile angle γ2=44 ° of 30'；Maximum tooth depth is 5.2mm, and minimum tooth depth is 4.1mm；Maximum tooth socket
Radius is 3.8mm, and least cogging radius is 2.2mm；Maximum tooth is away from for 8.3mm, and minimum tooth is away from for 6.3mm.
Bi-metal bandsaw blades sawing Φ 160mm hot die steel pole in the present embodiment two needs 18 minutes, can be continuous
Sawing 6.5 days；Sawing 300 × 400mm plate needs 1.4 hours, can be continuous saw cutting 3.5 days.
Embodiment three
In the present embodiment three, dividing tooth height B is 2.0mm, and tooth amount F is divided on a left side for the second tooth2, third tooth the right side divide tooth amount F3,
Tooth amount F is divided on a left side for six teeth6, the 7th tooth the right side divide tooth amount F7It is 0.40mm, tooth amount F is divided on a left side for the 4th tooth4, the 5th tooth the right side point
Tooth amount F5It is 0.25mm；Rake angle α is 10 °, the first angle of back of tooth β1For 25 ° of 30', the second angle of back of tooth β2For 35 ° of 30', thus
One profile angle γ1=54 ° of 30', the second profile angle γ2=44 ° of 30'；Maximum tooth depth is 5.2mm, and minimum tooth depth is 4.1mm；It is maximum
Tooth slot radius is 3.8mm, and least cogging radius is 2.2mm；Maximum tooth is away from for 8.4mm, and minimum tooth is away from for 6.4mm.
The bi-metal bandsaw blades sawing Φ 160mm hot die steel pole of the present embodiment three needs 15 minutes, can continuously saw
It cuts 7 days；Sawing 300 × 400mm plate needs 1.2 hours, can be continuous saw cutting 4 days.
Example IV
In the present embodiment four, dividing tooth height B is 2.1mm, and tooth amount F is divided on a left side for the second tooth2, third tooth the right side divide tooth amount F3,
Tooth amount F is divided on a left side for six teeth6, the 7th tooth the right side divide tooth amount F7It is 0.41mm, tooth amount F is divided on a left side for the 4th tooth4, the 5th tooth the right side point
Tooth amount F5It is 0.26mm；Rake angle α is 10 ° of 30', the first angle of back of tooth β1It is 25 °, the second angle of back of tooth β2It is 35 °, thus first
Profile angle γ1=54 ° of 30', the second profile angle γ2=44 ° of 30'；Maximum tooth depth is 5.2mm, and minimum tooth depth is 4.1mm；Maximum tooth
Groove radius is 3.8mm, and least cogging radius is 2.2mm；Maximum tooth is away from for 8.5mm, and minimum tooth is away from for 6.5mm.
The bi-metal bandsaw blades sawing Φ 160mm hot die steel pole of the present embodiment four needs 15 minutes, can continuously saw
It cuts 7 days；Sawing 300 × 400mm plate needs 1.2 hours, can be continuous saw cutting 4 days.
Obviously, above-described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Above-mentioned implementation
Example for explaining only the invention, is not intended to limit the scope of the present invention..Based on the above embodiment, those skilled in the art
Member's every other embodiment obtained namely all in spirit herein and original without making creative work
Made all modifications, equivalent replacement and improvement etc., are all fallen within the protection domain of application claims within reason.
Claims (2)
1. a kind of bi-metal bandsaw blades for becoming tooth variation tooth amount tooth form with 3/4T seven, including saw blade teeth portion and saw blade ontology,
Be characterized in that: seven continuously arranged sawtooth are one group of sawtooth, and one group of sawtooth repeats and continuous arrangement constitutes saw blade teeth portion；
One group of sawtooth successively includes the first tooth, the second tooth, third tooth, the 4th tooth, the 5th tooth, the 6th tooth, the 7th tooth；It is described
First tooth is intermediate guiding tooth, and second tooth, third tooth are the first pair of point of tooth, and the 4th tooth, the 5th tooth are the second pair point
Tooth, the 6th tooth, the 7th tooth are third to tooth is divided, and second tooth, the 4th tooth, the 6th tooth are that tooth, the third are divided in a left side
Tooth, the 5th tooth, the 7th tooth are that tooth is divided on the right side；All points of teeth divide tooth height B identical, and tooth amount F is divided on a left side for second tooth2,
Tooth amount F is divided on the right side of three teeth3, the 6th tooth a left side divide tooth amount F6Divide tooth amount F with the right side of the 7th tooth7Identical, tooth is divided on a left side for the 4th tooth
Measure F4Divide tooth amount F with the right side of the 5th tooth5Identical, tooth amount F is divided on a left side for second tooth2Divide tooth amount F with a left side for the 4th tooth4It is different；
The serrate rake angle α of institute is identical, and there are two the angle of back of tooth, two profile angles, described two angle of back of tooth packets for each sawtooth
Include the first angle of back of tooth β1With the second angle of back of tooth β2, described two profile angles include the first profile angle γ1With the second profile angle γ2, institute
Serrate first angle of back of tooth β1It is identical, serrate second angle of back of tooth β of institute2It is identical, the serrate first profile angle γ of institute1Phase
Together, the serrate second profile angle γ of institute2It is identical；Wherein, γ1=90 °-alpha-beta1, γ2=90 °-alpha-beta2；
The tooth depth of each sawtooth is different in one group of sawtooth, and the tooth depth of i-th of sawtooth of note is Hi, i ∈ { 1,2 ..., 7 }, maximum
After tooth depth is located at the first tooth, minimum tooth depth is located at after the 5th tooth namely max { H1,H2,...,Hi,...,H7}=H1, min { H1,
H2,...,Hi,...,H7}=H5；
The tooth socket of each sawtooth is arc, and the tooth slot radius of each sawtooth is different in one group of sawtooth, remembers i-th of sawtooth
Tooth slot radius is Ri, the tooth slot radius RiWith tooth depth HiDirectly proportional, maximum tooth slot radius is max { R1,R2,...,Ri,...,
R7}=R1, least cogging radius is min { R1,R2,...,Ri,...,R7}=R5；
The tooth socket of each sawtooth corresponds to a tooth pitch, and the tooth pitch of each sawtooth is different in one group of sawtooth, remembers i-th of sawtooth
Tooth pitch is Li, the tooth pitch LiWith tooth slot radius RiDirectly proportional, maximum tooth is away from for max { L1,L2,...,Li,...,L7}=L1, most
Small tooth pitch is min { L1,L2,...,Li,...,L7}=L5。
2. the bi-metal bandsaw blades according to claim 1 for becoming tooth variation tooth amount tooth form with 3/4T seven, which is characterized in that
Described point of tooth height B is 1.8~2.1mm, and tooth amount F is divided on a left side for second tooth2For 0.38~0.41mm, a left side for the 4th tooth
Divide tooth amount F4For 0.23~0.26mm；The rake angle α is 9 °~10 ° 30', first angle of back of tooth β1For 25 °~26 ° 30',
Second angle of back of tooth β2For 35 °~36 ° 30'；The maximum tooth depth is 5.2mm, and the minimum tooth depth is 4.1mm；It is described most
Big tooth slot radius is 3.8mm, and the least cogging radius is 2.2mm；The maximum tooth is away from for 8.2~8.5mm, the minimum tooth
Away from for 6.2~6.5mm.
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| CN201910246188.0A CN109807395B (en) | 2019-03-29 | 2019-03-29 | Bimetallic band saw blade with 3/4T seven-tooth-changing tooth-quantity-variable tooth form |
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| CN111014821A (en) * | 2019-12-27 | 2020-04-17 | 江阴金缘锯业有限公司 | Band saw blade for turtle back |
| WO2022048340A1 (en) * | 2020-09-02 | 2022-03-10 | 湖南泰嘉新材料科技股份有限公司 | Tooth-separation band saw blade |
| CN117086401A (en) * | 2023-06-13 | 2023-11-21 | 重庆敏德兴模具材料科技有限公司 | Die steel processing equipment and processing method |
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| CN117086401B (en) * | 2023-06-13 | 2024-04-02 | 重庆敏德兴模具材料科技有限公司 | Die steel processing equipment and processing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109807395B (en) | 2021-02-02 |
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